<template>
  <div class="hm-main">
    我是hm-main
    <HmButton></HmButton>
  </div>
</template>

<script>
export default {

}
</script>

<style>
  .hm-main{
    line-height: 550px;
    height: 550px;
    font-size: 30px;
    text-align: center;
    background-color: rgb(77, 246, 15);
    color: white;
    margin: 20px 0;
  }
</style>